Clavinova CLP-840 felts

Hi there… Like many others am looking for the felts for my Clav that are noisy. Can’t seem to find part numbers… Nor was Yamaha Canada any help. Can anyone help me out?

Thanks in advance

UPPER FELT STOPPER V8468201 (about $30 usd)
LOWER FELT STOPPER V7640101 (about $22 usd)
From Yamaha US Parts Dept